Math, asked by nefrinashraf, 11 months ago

Harmonic mean of 10and15 is _____.

Answers

Answered by ggghh76

0

Answer:

mean=7

Step-by-step explanation:

7=[6+8+5+7+4+x]/6

7*6=30x

42=30x

x=42/30

x=7/5

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